openRECEIVER Blog

Downstream space, explained by engineers

Expert guides on GNSS, RTK, PNT, Earth observation and the protocols that move space data to the ground.

Android Raw GNSS Measurements: From the API to On-Device RTK

Use the Android raw GNSS measurements API: reconstruct pseudoranges, read carrier phase and cycle-slip flags, and feed an on-device RTK or PPP engine.

29 Jun 2026

Agriculture

Satellite Crop Monitoring That Survives Clouds: Beating Revisit Gaps with Harmonization and SAR

A 5-day revisit is not what you get under cloud. Build satellite crop monitoring that survives gaps with HLS harmonization, Sentinel-2, Planet and SAR.

27 Jun 2026

RTK & High-Precision

RTK Baseline, Latency and Atmosphere: Limits for the RTK Service

How far can single-base RTK reach? The 10 to 20 km baseline limit, the 1 ppm rule, correction latency, and the ionosphere, with the numbers and the fixes.

22 Jun 2026

Automotive & Mobility

Satellite-assisted Lane-Level Navigation: The Sensor Fusion That Knows Which Lane You're In

How lane-level navigation really works: fusing PPP-RTK GNSS, IMU, wheel odometry and HD maps, loose vs tight coupling, and dead reckoning through tunnels.

19 Jun 2026